Home / 37,809-52,176.45-21,894.30

Finding the Fourth Proportional to 37,809, 52,176.45 and 21,894.30

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Solution

The fourth proportional to 37,809, 52,176.45 and 21,894.30 is: 30,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,809 : 52,176.45 = 21,894.30 : x
  2. Step 2: Convert to fraction form
    37,809/52,176.45 = 21,894.30/x
  3. Step 3: Cross multiply
    37,809x = 52,176.45 × 21,894.30
  4. Step 4: Simplify right side
    37,809x = 1,142,366,849.24
  5. Step 5: Solve for x
    x = 1,142,366,849.24/37,809
  6. Step 6: Final answer
    x = 30,214.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.